171 lines
4.3 KiB
Python
171 lines
4.3 KiB
Python
# Copyright 2018 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# The dragent handlers class
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# bare functions are provided to the reactive handlers to perform the functions
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# needed on the class.
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from __future__ import absolute_import
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import collections
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import charmhelpers.contrib.network.ip as ch_ip
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import charms_openstack.charm
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import charms_openstack.adapters as os_adapters
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PACKAGES = [
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'neutron-bgp-dragent',
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'neutron-dynamic-routing-common',
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'python-neutron-dynamic-routing',
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]
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PY3_PACKAGES = [
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'neutron-bgp-dragent',
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'neutron-dynamic-routing-common',
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'python3-neutron-dynamic-routing',
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]
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NEUTRON_DIR = '/etc/neutron/'
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NEUTRON_CONF = NEUTRON_DIR + "neutron.conf"
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DRAGENT_CONF = NEUTRON_DIR + "bgp_dragent.ini"
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OPENSTACK_RELEASE_KEY = ('neutron-dynamic-routing-charm.'
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'openstack-release-version')
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SPEAKER_BINDING = 'bgp-speaker'
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PROVIDER_BINDING = 'provider'
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# select the default release function
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charms_openstack.charm.use_defaults('charm.default-select-release')
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@os_adapters.config_property
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def provider_ip(cls):
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"""Return the provider binding network IP
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Use the extra binding, provider, to determine the correct provider network
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IP.
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:returns: string IP address
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"""
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return ch_ip.get_relation_ip(PROVIDER_BINDING)
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@os_adapters.config_property
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def speaker_ip(cls):
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"""Return the BGP speaker binding network IP
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Use the interface-bgp relation binding, to determine the correct bgp
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network IP.
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:returns: string IP address
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"""
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return ch_ip.get_relation_ip(SPEAKER_BINDING)
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class DRAgentRelationAdapters(os_adapters.OpenStackRelationAdapters):
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"""
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Adapters collection to append specific adapters for Neutron Dynamic Routing
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"""
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relation_adapters = {
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'amqp': os_adapters.RabbitMQRelationAdapter,
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}
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class DRAgentCharm(charms_openstack.charm.OpenStackCharm):
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"""DRAgentCharm provides the specialisation of the OpenStackCharm
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functionality to manage a dragent unit.
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"""
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release = 'ocata'
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name = 'neutron-dynamic-routing'
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packages = PACKAGES
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default_service = 'neutron-bgp-dragent'
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services = [default_service]
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required_relations = ['amqp']
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adapters_class = DRAgentRelationAdapters
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group = 'neutron'
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restart_map = {
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NEUTRON_CONF: services,
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DRAGENT_CONF: services,
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}
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# Package for release version detection
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release_pkg = 'neutron-dynamic-routing-common'
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# Package codename map for neutron-dynamic-routing-common
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package_codenames = {
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'neutron-dynamic-routing-common': collections.OrderedDict([
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('10', 'ocata'),
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('11', 'pike'),
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('12', 'queens'),
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('13', 'rocky'),
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('14', 'stein'),
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]),
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}
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def install(self):
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"""Configure openstack-origin and install packages
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:returns: None
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"""
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self.configure_source()
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super().install()
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def do_openstack_upgrade_db_migration(self, *args):
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"""Override the default do_openstack_upgrade_db_migration function.
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DRAgentCharm has no database to migrate.
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:returns: None
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"""
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pass
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def bgp_speaker_bindings(self):
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"""Return BGP speaker bindings for the bgp interface
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:returns: list of bindings
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"""
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return [SPEAKER_BINDING]
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def get_os_codename(self):
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"""Return OpenStack Codename for installed application
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:returns: OpenStack Codename
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:rtype: str
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"""
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return self.get_os_codename_package(
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self.release_pkg,
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self.package_codenames)
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class RockyDRAgentCharm(DRAgentCharm):
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release = 'rocky'
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packages = PY3_PACKAGES
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purge_packages = [
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'python-neutron-dynamic-routing',
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'python-memcache',
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]
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python_version = 3
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